Chapter 20, Problem 25A

Summary Introduction

To determine:If homemade bread is more or less likely to grow fungus than commercially produced bread.

Introduction:Some of the largest and oldest species on Earth belong to the Kingdom Fungi. In eastern Oregon there is a honey fungus that is so large it's called the "Humongous Fungus." most of those fungi are heterotrophic eukaryotes. More than 100,000 species of fungi are found.

Explanation of Solution

In the experiment, the materials required is two plates, a slice of homemade bread and a slice of commercially produced bread. Place the two slices of bread onto another plate. Place both samples in a dry, dark place, and do not let them touch. Snap a picture of each sample from their first day. The samples are being kept overnight.Recall any improvements the following day, and take another photo of each study. The next two days, repeat the procedures.

Conclusion

Homemade bread has a higher risk of developing fungi than commercially produced bread. Homemade bread has lower acidity levels, and less preservative.